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利用火炕催根和塑膜覆盖培育葡萄苗,投资小,速度快,成活率高.一、火炕催根1.火炕建造仿制育红薯苗用的回洞炕,用砖和石板建造.炕床长7米左右,宽2米左右.火灶和烟筒均设在炕床的同一方向.炕床内火洞分2层,下层为进火洞,设
The use of kang root and plastic film covered cultivation of grape seedlings, small investment, fast, high survival rate .One kang kang root 1.Tang kang to build imitation sweet potato seedlings with the back hole kang, brick and stone slab. 7 meters wide, about 2 meters wide.Fire stoves and chimneys are located in the same direction of the bed Kang bed kong bed divided into two layers, the lower into the fire, set